#include<stdio.h>
#include<string.h>
char *substring(int i,int j,char *ch);
int main()
{
int i=0,j=2;
char s[]="String";
char *test;
test=substring(i,j,s);
return 0;
}
char *substring(int i,int j,char *ch)
{
int m,n,k=0;
char *ch1;
n=j-i+1;
while(k<n)
{
ch1[k]=ch[i];
i++;k++;
}
return (char *)ch1;
}
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